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Over the past year, Revolution Analytics has sponsored a number of local R user groups, and we've been thrilled to see the enthusiasm with which R users are coming together. This year, we decided to expand and formalize our sponsorship program, so that any local R user group, whether just starting up or already established, can benefit from additional...

First off, I'll say it's been a whirlwind of a past few days. Thanks to David Smith at the Revolutions Blog for his kind words about the sab-R-metrics series and link back this way. Add in Ed Kupfer's posts at the APBRmetrics board, Harry Pavlidis at THT, Dave Allen at Fangraphs...

First off, I'll say it's been a whirlwind of a past few days. Thanks to David Smith at the Revolutions Blog for his kind words about the sab-R-metrics series and link back this way. Add in Ed Kupfer's posts at the APBRmetrics board, Harry Pavlidis at THT, Dave Allen at Fangraphs...

I recently undertook a project where a colleague had about 12 .csv files that they wanted to merge. Each file had a common (key) variable 'Partner' (which is trading partner) with differing columns (variables) except for the common key variable. Actual...

The good folks at
Bespoke Investment Group
frequently show charts of so-called overbought or oversold levels; see e.g.
here for the most recent global markets snapshot.
Classifying markets as overbought or oversold is a popular heuristic. It
starts...

Here we give details and code for the prediction distributions exhibited in yesterday’s blog post Tis the season to predict. Eight years of returns The equity indices use daily closing levels from the start of 2003. This data comes from Yahoo. A roughly equivalent technique of selecting the last 2000 daily prices is used for … Continue reading...

One week ago, I sent the updated announcement below to the
r-sig-finance list;
this was kindly blogged about by fellow committee member
Josh
and by our pal
Dave @ REvo.
By now. I also updated the
R / Finance conference website.
So to round things ...

One week ago, I sent the updated announcement below to the
r-sig-finance list;
this was kindly blogged about by fellow committee member
Josh
and by our pal
Dave @ REvo.
By now. I also updated the
R / Finance conference website.
So to round things ...